We should update font awesome to the verson v5.8.1. (or whatever is the latest at that moment).

Please do an update in two steps:

1. Update the included stylesheet to the latest one: https://fontawesome.com/start

<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.8.1/css/all.css" integrity="sha384-50oBUHEmvpQ+1lW4y57PTFmhCaXp0ML5d60M1M7uH2+nqUivzIebhndOJK28anvf" crossorigin="anonymous">

Verify that icons displayed properly:

• social icons in the footer;
• social icons on the Blog post page;
• download, star, forks icons on the Package page;

Please write a comment on this ticket about verification result.

2. Replace prefix from v4 style to v5 style according to upgrading instruction:
https://fontawesome.com/how-to-use/on-the-web/setup/upgrading-from-version-4